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Finding the Fourth Proportional to 163,676.70, 245,466.45 and 63,779.40

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Solution

The fourth proportional to 163,676.70, 245,466.45 and 63,779.40 is: 95,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,676.70 : 245,466.45 = 63,779.40 : x
  2. Step 2: Convert to fraction form
    163,676.70/245,466.45 = 63,779.40/x
  3. Step 3: Cross multiply
    163,676.70x = 245,466.45 × 63,779.40
  4. Step 4: Simplify right side
    163,676.70x = 15,655,702,901.13
  5. Step 5: Solve for x
    x = 15,655,702,901.13/163,676.70
  6. Step 6: Final answer
    x = 95,650.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.